MetricMiner: Supporting Researchers in Mining Software Repositories

Francisco Zigmund Sokol, Maurício Finavaro Aniche, Marco Aurélio Gerosa

{sokol,aniche,gerosa}@ime.usp.br

Motivation

Starting a study in MSR is hard as it involves expensive tasks:

➔ Download source code repositories.➔ Extract useful information from raw data.➔ Calculate metrics.➔ Typically, it’s required to install and configure

tools locally.

MetricMiner

A web application for supporting common MSR studies steps and possibly making use of cloud computing to scale.

http://metricminer.org.br/

https://github.com/metricminer-msr/metricminer

MetricMiner

Replication study

To validate our tool, we replicated a study published by Soetens and Demeyer (2010).

Does refactoring improve code complexity?

Original study:

➔ 1 Java open source project➔ 800 commits

Extracting data from MetricMiner query interface:

➔ 256 Java projects from Apache➔ 500k commits

Next steps

➔ Improve user interface➔ Improve scalability - maybe moving to Google

BigQuery➔ Gather more data!

Thanks!

Questions?

sokol@ime.usp.br

http://metricminer.org.br/http://codesheriff.com/